package my.headfirstjava.observer.v1;

/**
 * author: xl
 * time: 2018/8/23 9:43
 * description:
 **/
public class CatObserver implements Observer {


    @Override
    public void update(String msg) {
        System.out.println("我是猫猫,我收到:"+msg);
    }


}
